Home / 971,999.80-1,458,437.10-439,246.60

Finding the Fourth Proportional to 971,999.80, 1,458,437.10 and 439,246.60

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Solution

The fourth proportional to 971,999.80, 1,458,437.10 and 439,246.60 is: 659,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,999.80 : 1,458,437.10 = 439,246.60 : x
  2. Step 2: Convert to fraction form
    971,999.80/1,458,437.10 = 439,246.60/x
  3. Step 3: Cross multiply
    971,999.80x = 1,458,437.10 × 439,246.60
  4. Step 4: Simplify right side
    971,999.80x = 640,613,537,488.86
  5. Step 5: Solve for x
    x = 640,613,537,488.86/971,999.80
  6. Step 6: Final answer
    x = 659,067.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.